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Finding the Fourth Proportional to 82,816.90, 124,225.35 and 82,816.90

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Solution

The fourth proportional to 82,816.90, 124,225.35 and 82,816.90 is: 124,225.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,816.90 : 124,225.35 = 82,816.90 : x
  2. Step 2: Convert to fraction form
    82,816.90/124,225.35 = 82,816.90/x
  3. Step 3: Cross multiply
    82,816.90x = 124,225.35 × 82,816.90
  4. Step 4: Simplify right side
    82,816.90x = 10,287,958,388.42
  5. Step 5: Solve for x
    x = 10,287,958,388.42/82,816.90
  6. Step 6: Final answer
    x = 124,225.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.